beta ray


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Related to beta ray: alpha ray

be·ta par·ti·cle

an electron, either positively (positron, β+) or negatively (negatron, β-) charged, emitted during beta decay of a radionuclide.
See also: cathode rays.
Synonym(s): beta ray

beta particle

An ionising electron or positron which is emitted from decaying radioactive nuclei during beta decay or beta emission. Beta particles are equal in mass and charge to electrons.

β

Abbreviation for beta.

be·ta

(β) (bā'tă)
1. Second letter of the Greek alphabet.
2. chemistry Denotes the second in a series, the second carbon from a functional (e.g., carboxylic) group, or the direction of a chemical bond toward the viewer. For terms with the prefix β, see the specific term.

beta ray

A ray composed of negatively charged electrons expelled from atoms of disintegrating radioactive elements.
Synonym: beta particle
See also: ray
References in periodicals archive ?
The water discharged contained a maximum 24 becquerels per liter of radioactive substances emitting beta rays, lower than the allowable level of 30 becquerels.
TEPCO detected in the leaked water 80 million becquerels per liter of radioactive substances emitting beta rays, such as strontium-90, and admitted that it has not yet identified from which area of the tank the polluted water is escaping.
35 billion becquerels of cesium and 750 million becquerels of other, unnamed radioactive substances, including strontium, that emit beta rays, the Japan Times reports.
TEPCO detected in the leaked water 80 million becquerels per liter of radioactive substances emitting beta rays, such as strontium-90, and admitted it has not yet identified from which area of the tank the polluted water is escaping.
The water also contained 900,000 becquerels of other radioactive substances that emit beta rays, including strontium.
Tokyo, June 30 ( ANI ): High levels of radioactive substances, including strontium, emitting beta rays have been detected in groundwater taken from a well at the port of the Fukushima No.